CN111169027B

CN111169027B - PE film efficient blow molding production line

Info

Publication number: CN111169027B
Application number: CN202010023802.XA
Authority: CN
Inventors: 史轶龙; 林军; 王世银; 仇朱林; 陈磊; 程龙举
Original assignee: Suzhou Huiguo Plastic Products Co ltd
Current assignee: Suzhou Huiguo Plastic Products Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2021-10-26
Anticipated expiration: 2040-01-09
Also published as: CN111169027A

Abstract

The invention relates to a PE film high-efficiency blow molding production line which comprises a material suction device, an extrusion device, a blow molding device, a cooling device, an extrusion device, a punching device, an edge cutting device and a material receiving device, wherein the material suction device comprises a material suction machine, a material suction end of the material suction machine is connected with a plurality of material suction pipes, the extrusion device comprises an extruder body, the blow molding device comprises a blow molding machine body, the cooling device comprises a support and a plurality of cooling air outlet pipes positioned in the support, the extrusion device comprises a herringbone plate positioned at the upper end of the support, a main compression roller and an auxiliary compression roller which have a cooling effect, the punching device comprises a first punching roller and a second punching roller, a plurality of annular roller cutters are arranged on the first punching roller and the second punching roller, the edge cutting device and the material receiving device are positioned in a movable rack, and the material receiving device comprises a first material receiving roller and a second material receiving roller. The PE film is punched and trimmed from production to winding, and the invention has the advantages of high processing efficiency, high production efficiency, cost saving and low labor intensity.

Description

PE film efficient blow molding production line

Technical Field

The invention relates to the technical field of PE film production, in particular to a PE film efficient blow molding production line.

Background

The PE film is a macromolecular organic compound with the simplest structure and is one of the most widely applied macromolecular materials in the world today. Whereas blow molding is a common method for producing PE films. Heating PE raw material particles to a molten state, extruding the PE raw material particles into a mold to form a thin-walled tube, blowing the thin-walled tube in the mold into a thin-walled tube by compressed air, cooling and shaping the thin-walled tube by a wind ring, clamping the thin-walled tube to form a laminated thin film, and finally rolling the thin film.

The patent of the prior application number 2018113780298 discloses a blow molding machine for processing PE films, which comprises a frame, a right-angle head, a herringbone plate, a traction roller, a material lifting device, a motor and an air pump. After the PE raw materials of molten state are extruded to the right angle aircraft nose, receive the ascending blowing of air, form the film pipe, the lifting device presss from both sides tight film pipe upper end opening, thereby make the inside a large amount of air that save of film pipe expand, constantly have the PE raw materials to form the film pipe in the right angle aircraft nose, the lifting device drives film pipe upper end rebound gradually, receive the cooling at the in-process of film pipe rebound, finally film pipe and lambdoidal plate butt and extruded by the lambdoidal plate, make the film pipe be pressed from both sides the film of flattening into the laminating, the film of laminating changes the direction of motion through between two carry over pinch rolls, finally by the wind-up roll rolling.

The above prior art solutions have the following drawbacks: after the film tube is clamped and flattened into the attached film, two sides of the film need to be cut, so that the attached film forms two independent PE films, and for the PE films used in some special places, holes need to be formed in the PE films.

Disclosure of Invention

In view of the defects in the prior art, one of the purposes of the invention is to provide a PE film efficient blow molding production line for processing PE films efficiently.

The above object of the present invention is achieved by the following technical solutions: the utility model provides a high-efficient blowing production line of PE membrane, includes extrusion device, blowing device and material collecting device, extrusion device's feed end is connected with inhales the material device, extrusion device's discharge end is connected with the blowing device, the discharge end of blowing device is equipped with cooling device, cooling device's upper end is equipped with extrusion device, one side of cooling device is equipped with perforating device, perforating device's discharge end is equipped with side cut device, side cut device's discharge end is equipped with material collecting device, the blowing device includes the blowing machine body.

Through adopting above-mentioned technical scheme, during PE raw materials granule was carried extrusion device by the material suction device, extrusion device extrudeed and heated PE raw materials granule, made PE raw materials granule become molten state. The PE raw material in the molten state is pushed into the blowing device by the extrusion device, the PE raw material in the molten state forms a film tube shape after passing through the blowing device, and is blown into the cooling device by compressed air in the blowing device, and the cooling device cools the film tube, so that the film tube is prevented from being shrunk and deformed or having more wrinkles after being wound. The film pipe is extruded into a double-layer PE film by an extrusion device after passing through a cooling device, and the double-layer PE film sequentially passes through a punching device and a trimming device from the discharge end of the extrusion device and is finally rolled by a material receiving device.

Be provided with perforating device and side cut device in the production line, punch and cut edge to the PE membrane before the rolling of PE membrane, make the PE membrane from production to processing in a concerted effort, compare in the PE membrane production line among the prior art, this production line need not open the PE membrane that the rolling is good once more, then punch or cut edge processing to the machining efficiency of PE membrane has been improved.

The present invention in a preferred example may be further configured to: the material suction device comprises a material suction machine, and a material suction end of the material suction machine is connected with a plurality of material suction pipes.

Through adopting above-mentioned technical scheme, be connected with many on the auto sucking machine and inhale the material pipe, it is more convenient to inhale the material pipe and make the auto sucking machine inhale the material, makes operating personnel need not move the sack that contains PE raw materials granule near the production line, reduces operating personnel's working strength, simultaneously, compare in moving the sack that is equipped with PE raw materials granule, operating personnel will inhale the material pipe and place more convenient and swift in each sack, saved the material loading time of PE raw materials granule, improve the material loading efficiency of PE raw materials granule. The PE raw material particles conveyed by the suction machine in unit time are larger due to the suction pipes, and the feeding efficiency of the PE raw material particles is further improved, so that the production and processing efficiency of the PE film is improved.

The present invention in a preferred example may be further configured to: the extruding device comprises an extruding machine body, a feeding hopper is connected to the extruding machine body, a pressing device is arranged in the feeding hopper and comprises a pressing block located in the feeding hopper, a transmission rod is connected to the upper end of the pressing block, and one end, far away from the pressing block, of the transmission rod is connected with an extruding cylinder.

Through adopting above-mentioned technical scheme, press device is located inside the feeder hopper, extrude the cylinder and drive the transfer line and remove along vertical direction, the transfer line drives and presses the briquetting to remove along vertical direction, make and constantly bulldoze downwards according to the PE raw materials granule of briquetting in with the feeder hopper, avoid PE raw materials granule to produce at the feeder hopper lower extreme and block up, the card dies at the feeder hopper lower extreme, influence the normal production and the processing of PE membrane, press device guarantees the normal feeding and the continuous feeding of extruder body, guarantee PE raw materials granule material loading efficiency. In addition, according to bulldozing of briquetting to PE raw materials granule and accelerating PE raw materials granule to enter into the inside speed of extruder body to shorten the material loading time of extruder body, improve the material loading speed of PE membrane, and then improve the production efficiency and the machining efficiency of PE membrane.

The present invention in a preferred example may be further configured to: heating pipes are coiled in the feed hopper.

Through adopting above-mentioned technical scheme, the heating pipe preheats PE raw materials granule, make PE raw materials granule obtain the primary heating before getting into the extruder inside, PE raw materials granule temperature itself risees, thereby shorten the extruder and heat into the used time of molten state with PE raw materials granule, the faster quilt of PE raw materials granule is heated to the molten state, the propelling movement PE raw materials granule that makes the extruder can be faster, reduce the time that PE raw materials granule is located the inside processing of extruder, improve the production efficiency and the machining efficiency of PE membrane. The in-process that the heating pipe preheated PE raw material particles has drying action to PE raw material particles, makes the moisture that PE raw material particles carried reduce, and the dryness improves, and PE raw material particles is difficult for mutual adhesion, and weight reduction to the faster of motion, the material loading and the course of working of PE raw material particles are more smooth and easy, further improve the production efficiency and the machining efficiency of PE membrane.

The present invention in a preferred example may be further configured to: the cooling device comprises a support located on the outer periphery side of the discharge end of the blow molding device, a film pipe formed by the discharge end of the blow molding device penetrates through the center of the support, the support is divided into a plurality of layers, each layer is provided with a cooling air outlet pipe used for cooling the film pipe, and the cooling air outlet pipe is connected with a cooling fan.

By adopting the technical scheme, after the blow molding machine processes the PE raw material particles in a molten state into the film tube, the film tube passes through the inside of the bracket from the lower end of the bracket and moves to the upper end of the bracket. In the process of passing through the bracket, the thin film tube is contacted with the air in the bracket, the temperature is reduced, the thin film tube is not easy to adhere to the thin film tube, and the condition of cooling shrinkage or wrinkle is not easy to occur in the subsequent processing. Cooling blower carries cold wind in going out the tuber pipe to the cooling, and the back on the film pipe outer wall is blown to the cold wind for the cooling rate of film pipe compares in prior art, and film pipe temperature reduces sooner to make the high reduction of support, the high reduction that the film pipe need promote, film pipe running distance shortens, thereby shortens film pipe transfer time, improves the production efficiency and the machining efficiency of PE membrane. The height of the bracket is reduced, the production cost is saved, and the space occupation of the production line is reduced. In addition, the cooling air outlet pipe has the functions of dust removal and ash removal, so that the cleanness of the outer surface of the film pipe is ensured, and the production quality of the film pipe is improved.

The present invention in a preferred example may be further configured to: the cooling air outlet pipes are all obliquely arranged.

Through adopting above-mentioned technical scheme, the cooling goes out the tuber pipe slope setting, makes the cold air current through cooling out the tuber pipe flow to oblique top to blow on the film pipe lateral surface. The cooling air outlet pipe arranged obliquely changes the flow direction of cold air flow, so that the direction of external force applied to the film pipe inside the bracket is consistent, and the film pipe is prevented from being subjected to upward force and being greatly shaken by the horizontal thrust of the cold air flow to influence the stable operation of the film pipe.

The present invention in a preferred example may be further configured to: the extrusion device comprises a herringbone plate positioned at the upper end of the support, a main compression roller and an auxiliary compression roller which are connected with the support are arranged at the upper end of the herringbone plate, the main compression roller and the auxiliary compression roller are cooling rollers, and two spiral convex edges which extend from the middle of the main compression roller to the two ends of the main compression roller and have opposite rotation directions are arranged on the peripheral surface of the main compression roller.

By adopting the technical scheme, after the thin film pipe is abutted to the herringbone plate, the size is reduced, the tubular thin film pipe becomes a flattened thin film, the flattened thin film penetrates through the herringbone plate and then enters between the main compression roller and the auxiliary compression roller, the main compression roller and the auxiliary compression roller are extruded again, the flattened thin film becomes a laminated thin film, and the main compression roller and the auxiliary compression roller lower the temperature of the thin film while extruding the thin film, so that the temperature of the thin film is reduced. The film is cooled twice in sequence, so that the temperature of the film is ensured to be within the processing requirement range, the film is not easy to shrink and deform or generate wrinkles, and the quality of the film is improved. The film is through twice cooling, makes the film when first cooling, and the temperature need not once only reduce to the processing requires the within range to reduced the requirement standard of first cooling, the high further reduction of support saves cost and usage space, also further shortens the overall length of film pipe, thereby shortens the transmission distance of film pipe, shortens film pipe transmission required time, improves PE membrane production efficiency and machining efficiency.

Be equipped with two spiral beads on the main compression roller, when main compression roller pivoted, two spiral beads constantly drag the film of laminating to the both ends of main compression roller, make the film of laminating fully expand, and difficult production fold guarantees the quality of PE membrane. The PE membrane that fully expandes can directly punch and cut edge in subsequent processing of punching and cutting edge, and the position of punching is accurate, and the position of cutting edge is accurate, improves the processingquality of PE membrane, has also avoided follow-up operating personnel to expand the film of laminating once more simultaneously, reduces artifical work intensity.

The present invention in a preferred example may be further configured to: perforating device is including the frame of punching, it is connected with first punching roller and second punching roller to rotate in the frame of punching, be connected with drive chain on the roller of first punching roller, drive chain is connected with the driver of punching, be connected with drive chain between the roller of first punching roller and the roller of second punching roller, the roller surface of first punching roller and second punching roller all is equipped with a plurality of ring roller sword, be equipped with between first punching roller and the second punching roller and rotate the deflector roll of being connected with the frame of punching.

Through adopting above-mentioned technical scheme, the driver that punches drives drive chain and rotates, and drive chain drives first perforating roller and rotates, drives drive chain rotation when first perforating roller rotates to make the second perforating roller follow first perforating roller and rotate in step. And when the annular roller knife moves to the lower end of the first punching roller or the second punching roller, the attached film is subjected to hole cutting processing. The first punching roller and the second punching roller punch the attached film and drive the attached film. The guide roller functions to change the winding direction of the attached film.

In addition, because the film of laminating is two-layer film in fact, when processing of punching, the processing of punching is carried out to two films in fact simultaneously to first perforating roller and second perforating roller, and the work efficiency of punching of PE membrane is improved to improve the machining efficiency of PE membrane with half the effort.

In addition, the first punching roller and the second punching roller are selectively used, so that the production line is suitable for different punching processing requirements, and the flexibility of the production line is improved.

The present invention in a preferred example may be further configured to: all be equipped with a plurality of sliding sleeve in the roller of first perforating roller and second perforating roller, sliding connection has the inserted bar among the sliding sleeve, the one end of inserted bar is connected with the gravity piece, be equipped with the inserting groove in the middle of the ring roller sword, the one end and the inserting groove sliding connection of gravity piece are kept away from to the inserted bar.

Through adopting above-mentioned technical scheme, because the ring roller sword is whole to be the annular, punch man-hour at the film of ring roller sword to the laminating, simultaneously by the cutting hole on the film of both sides, and the waste material is easily left over in the middle of the ring roller sword, after a period of time, the waste material is full of with filling in the middle of the ring roller sword, lead to the ring roller sword to punch inadequately easily, the condition of waste material adhesion in the film of laminating appears, thereby lead to operating personnel to need the PE membrane that the later stage is good with the rolling to reopen, take out the waste material, reduce the machining efficiency of PE membrane, improve cost of labor and artificial work degree of labor. And the inside inserted link of first perforating roller and second perforating roller receives the drive of gravity piece, can pass the inserting groove automatically and insert in the middle of the ring roller sword, clears away the waste material from the ring roller sword, guarantees the normal punching of ring roller sword, has avoided operating personnel's later stage to carry out the waste material clearance, reduces the manual work degree of labour, improves the machining efficiency of PE membrane.

The present invention in a preferred example may be further configured to: a movable rack is arranged below the punching rack, the edge cutting device and the material receiving device are both positioned in the movable rack, and a plurality of movable wheels are arranged at the lower end of the movable rack;

the trimming device comprises a tension roller connected with the movable rack, two groups of limiting plates are connected on the tension roller in a sliding manner, a supporting rod detachably connected with the movable rack is arranged above one side of the tension roller, and two groups of cutting knives are connected on the supporting rod in a sliding manner;

the material collecting device comprises a first material collecting roller and a second material collecting roller which are rotatably connected with the movable rack, the two ends of the first material collecting roller and the two ends of the second material collecting roller are respectively located in a U-shaped groove, the first material collecting roller is connected with a first material collecting motor, and the second material collecting roller is connected with a second material collecting motor.

Through adopting the above technical scheme, it is equipped with a plurality of removal wheels to remove the frame lower extreme, be equipped with side cut device and material collecting device in the removal frame, to the PE membrane that need not to punch processing, operating personnel removes the removal frame, make the PE membrane not pass through perforating device, directly cut edge processing and rolling processing, improve the flexibility of production line, because the removal frame is convenient for remove, need not punch to the PE membrane and add man-hour, the transmission distance that the PE membrane was shortened to the removal frame, thereby reduce PE membrane transmission required time, improve the machining efficiency of PE membrane.

The tensioning roller increases the tension of the PE film, and the precision of edge cutting processing of the PE film is guaranteed. The limiting plate guarantees that the transmission direction of the PE film is not easy to change, prevents the PE film from swinging left and right when passing through the cutting knife, and reduces the quality of trimming processing. The cutting knife cuts two sides of the PE film, and the double-layer PE film connected with each other is cut into two independent PE films. The bracing piece can be dismantled and connect in removing the frame, and the operating personnel of being convenient for changes and cuts the sword or overhauls and cuts the sword, guarantees to cut the sharpness of sword to improve the quality of the side cut processing of PE membrane.

The first material receiving roller and the second material receiving roller are both connected with a motor, and the two material receiving rollers do not interfere with each other and can independently receive materials. After a PE film on one material receiving roller is rolled to a certain length, an operator cuts off the PE film and uses the other material receiving roller to receive the material, so that the material receiving of the PE film is continuous, the material receiving efficiency of the PE film is improved, and the production efficiency and the processing efficiency of the PE film are improved. Because the PE film is the double-layer PE film before receiving the material, and after the edge cutting processing, the double-layer PE film is mutually independent and complementarily interferes, so that an operator can simultaneously receive the two PE films through the first receiving roller and the second receiving roller, and the two PE films are prevented from being required to be manually separated subsequently after being rolled into the same receiving roller. The material receiving mode of the growth line is various, and the flexibility of the production line is improved.

In summary, the invention includes at least one of the following beneficial technical effects:

1. before the PE film is rolled, a punching device and an edge cutting device are arranged in the production line, the PE film is punched and cut, the PE film is produced and processed by one production line, and the PE film is processed by a material receiving device only once, so that the processing efficiency of the PE film in the production line is improved;

2. the thin film pipe is cooled by the extruding device after passing through the cooling device, the temperature of the thin film pipe is ensured to be within the processing requirement range through two times of cooling, the production and processing quality of the PE film is ensured, meanwhile, the PE film is cooled twice in the production line, so that the height of the support used in the first cooling can be reduced, the transportation time of the PE film is reduced, the production efficiency and the processing efficiency of the PE film are improved, the production and processing cost is saved through the reduction of the height of the support, and the space occupation of the production line is reduced;

3. punching the PE film in the production line, cutting the PE film later, making the processing of punching accept simultaneously to interconnect's two-layer PE film, the result is very big with half the effort, and simultaneously, two-layer PE film interconnect is difficult for producing the dislocation, improves the PE film machining precision that punches.

Drawings

FIG. 1 is a schematic view of the overall structure of a production line;

FIG. 2 is a schematic diagram of a related structure of a material suction device;

FIG. 3 is a schematic diagram of the related structure of the extrusion apparatus;

FIG. 4 is a schematic diagram of a related structure of a cooling device;

FIG. 5 is an enlarged view at A in FIG. 4;

FIG. 6 is an enlarged view at B of FIG. 1;

FIG. 7 is a schematic view of a first hole-punching roller configuration;

fig. 8 is a schematic view of a mobile gantry structure.

In the figure, 1, a material sucking device, 11, a material sucking machine, 12, a material sucking pipe, 13, a four-way connecting head, 14, a collecting hopper, 2, an extruding device, 21, an extruder body, 22, a feeding hopper, 23, a pressing device, 24, an extruding cylinder, 25, a transmission rod, 26, a pressing block, 27, a heating pipe, 3, a blowing device, 31, a blowing machine body, 4, a cooling device, 41, a support, 42, a cooling fan, 43, a cooling air outlet pipe, 44, a stair, 5, an extruding device, 51, a herringbone plate, 52, a main pressing roller, 53, a secondary pressing roller, 54, a spiral rib, 55, an extruding driver, 6, a punching device, 61, a punching rack, 611, a first receiving roller, 612, a second receiving roller, 62, a first punching roller, 63, a punching driver, 64, a driving chain, 65, a transmission chain, 66, a second punching roller, 67, a ring roller cutter, 68, a guide roller, 69, a collecting hopper, a material collecting hopper, 2, an extruding device, 21, a cooling fan, a cooling, Sliding sleeve, 691, a plug rod, 692, a gravity block, 7, an edge cutting device, 71, a tensioning roller, 72, a limiting plate, 73, a supporting rod, 74, a cutting knife, 75, a U-shaped block, 8, a material receiving device, 81, a first material receiving roller, 82, a second material receiving roller, 83, a U-shaped groove, 84, a first material receiving motor, 85, a second material receiving motor, 9, a movable rack, 91 and a movable wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the efficient blowing production line for the PE film disclosed by the invention comprises a material suction device 1, an extrusion device 2 is arranged on one side of the material suction device 1, a blowing device 3 is arranged on one side of the extrusion device 2 away from the material suction device 1, a cooling device 4 is arranged above the blowing device 3, an extrusion device 5 is arranged at the upper end of the cooling device 4, a punching device 6 is arranged on one side of the blowing device 3 away from the extrusion device 2, an edge cutting device 7 is arranged on one side of the punching device 6 away from the blowing device 3, and a material receiving device 8 is arranged on one side of the edge cutting device 7 away from the punching device 6.

Referring to fig. 2, the material suction device 1 includes a material suction machine 11, a material suction end of the material suction machine 11 is connected with a four-way connector 13, the four-way connector 13 is connected with a plurality of material suction pipes 12, specifically, the four-way connector 13 is connected with three material suction pipes 12, the material suction pipes 12 are detachably connected in the four-way connector 13, and specifically, the material suction pipes 12 are connected with the four-way connector 13 through adhesive tapes. The material suction pipes 12 can be bendable plastic pipes or rubber pipes, and the three material suction pipes 12 improve the material suction speed of the material suction machine 11.

Referring to fig. 3, the extruding apparatus 2 includes an extruder body 21, and a feed hopper 22 is connected to the extruder body 21. The discharge end of the suction machine 11 is connected with a collecting hopper 14, and the collecting hopper 14 is positioned at the upper end of the feed hopper 22 and is communicated with the inside of the feed hopper 22. After the suction machine 11 conveys the PE raw material pellets into the collecting hopper 14, the PE raw material pellets fall from the collecting hopper 14 into the feed hopper 22.

Referring to fig. 3, a pressing device 23 is provided in the feeding hopper 22, the pressing device 23 includes an extruding cylinder 24 located outside the feeding hopper 22 and connected to the extruder body 21, and the extruding cylinder 24 may be an oil cylinder or an air cylinder. The vertical setting of extrusion cylinder 24 and output connect a transfer line 25, and transfer line 25 is "Z" font, and the upper end that transfer line 25 passed feeder hopper 22 is located inside feeder hopper 22, and the one end that transfer line 25 is located inside feeder hopper 22 is with a vertical setting's according to briquetting 26 fixed connection. When the output end of the extrusion cylinder 24 drives the transmission rod 25 to move in the vertical direction, the transmission rod 25 drives the pressing block 26 to move in the vertical direction, so that the pressing block 26 is repeatedly inserted into the mouth of the lower end of the feeding hopper 22, and the PE raw material particles in the feeding hopper 22 are extruded into the extruder body 21. The extruder body 21 presses and heats the PE raw material pellet, heats the PE raw material pellet to a molten state, and presses the PE raw material pellet into the blowing device 3.

Referring to fig. 3, a heating pipe 27 is coiled in the feeding hopper 22, hot oil is introduced into the heating pipe 27, and the heating pipe 27 preheats the PE raw material particles in the feeding hopper 22 and also plays a role in improving the dryness of the PE raw material particles.

Referring to fig. 3, the blowing device 3 includes a blowing machine main body 31, and the extruder main body 21 presses PE raw material pellets in a molten state into the blowing machine main body 31, and the PE raw material pellets processed by the blowing machine main body 31 are discharged from the upper end of the blowing machine main body 31. And the PE raw material particles in a molten state are processed into a film tube, which is blown by the blow molding machine body 31 to move vertically upward.

Referring to fig. 4, the cooling device 4 includes a bracket 41 located on the outer peripheral side of the discharge end of the blowing device 3, the bracket 41 being provided with a plurality of layers in the vertical direction, and the film tube moving vertically upward from the discharge end of the blowing machine body 31 and passing through the inside of the bracket 41. All be equipped with a plurality of cooling blower 42 in every layer of support 41, cooling blower 42's output is connected with the cooling and goes out tuber pipe 43, and the cooling goes out tuber pipe 43 slope setting, makes the cold air current of cooling blower 42 output flow to oblique top after cooling out tuber pipe 43 to blow to the film pipe on, cool off the film pipe. The support 41 is provided with a stair 44, and the stair 44 is convenient for an operator to climb the support 41 to operate the thin film tube.

Referring to fig. 4, the pressing device 5 includes a chevron plate 51 connected to the support 41 at the upper end of the support 41, and the thin film tube moves to the upper end of the support 41 and then abuts against the chevron plate 51, and is pressed by the chevron plate 51, so that the thin film tube is reduced in volume and becomes a flattened thin film.

Referring to fig. 5, a main pressure roller 52 and a sub pressure roller 53 rotatably connected to the bracket 41 are provided at the upper end of the chevron plate 51, and the flattened film passes through the chevron plate 51, enters between the main pressure roller 52 and the sub pressure roller 53, and is wound around the main pressure roller 52. The main pressure roller 52 and the sub pressure roller 53 press the flattened film into a bonded film. The main pressure roller 52 and the sub pressure roller 53 are both cooling rollers, that is, the main pressure roller 52 and the sub pressure roller 53 are both filled with cold water, and the cold water cools the main pressure roller 52 and the sub pressure roller 53, so that the film in contact with the main pressure roller 52 and the sub pressure roller 53 is cooled. The main pressure roller 52 is provided with two spiral ribs 54, the two spiral ribs 54 extend from the middle of the main pressure roller 52 to the two ends of the main pressure roller 52, and the two spiral ribs 54 rotate in opposite directions, so that the film wound on the main pressure roller 52 is subjected to a force stretching to the two sides of the main pressure roller 52, and the film is spread more fully. One end of the main pressing roller 52 is connected with an extrusion driver 55, the extrusion driver 55 can be a rotating motor, the extrusion driver 55 drives the main pressing roller 52 to rotate, and the main pressing roller 52 drives the film to move.

Referring to fig. 6, the punching device 6 includes a punching frame 61, one end of the punching frame 61 is connected with a first receiving roller 611, one side of the first receiving roller 611 is provided with a second punching roller 66 rotatably connected with the punching frame 61, one side of the second punching roller 66 far away from the first receiving roller 611 is provided with a guide roller 68 connected with the punching frame 61, one side of the guide roller 68 far away from the second punching roller 66 is provided with a first punching roller 62 rotatably connected with the punching frame 61, and the first punching roller 62 and the second punching roller 66 are both provided with a plurality of annular roller cutters 67. When the film enters the punching device 6, the film is wound at the upper end of the first receiving roller 611, then at the lower end of the second punching roller 66, then at the upper end of the guide roller 68, and then at the lower end of the first punching roller 62, and when the first punching roller 62 and the second punching roller 66 drive the respective ring roller cutters 67 to contact with the film, the ring roller cutters 67 punch holes on the film.

Referring to fig. 6, a punching driver 63 is connected to the punching frame 61, the punching driver 63 may be a rotary motor, a driving chain 64 is connected to an output end of the punching driver 63, and the driving chain 64 is connected to one end of the first punching roller 62 to rotate the first punching roller 62. A transmission chain 65 is connected between the ends of the first punching roller 62 and the second punching roller 66 on the same side, and when the first punching roller 62 is driven by the punching driver 63, the transmission chain 65 drives the second punching roller 66 to rotate synchronously along the same direction with the first punching roller 62. The side of the first punching roller 62 far away from the guide roller 68 is provided with a second receiving roller 612 connected with the punching machine frame 61, and the film wound at the lower end of the first punching roller 62 is wound at the upper end of the second receiving roller 612 and then leaves the punching device 6.

Referring to fig. 7, a plurality of sliding sleeves 69 are arranged inside the first punching roller 62 and the second punching roller 66 (shown in fig. 6), the sliding sleeves 69 are tubular, the number of the sliding sleeves 69 inside the first punching roller 62 is the same as that of the ring-shaped roller cutters 67 on the first punching roller, and the sliding sleeves 69 inside the first punching roller 62 are fixedly connected with the inner wall of the first punching roller 62. The number of the sliding bushes 69 inside the second punching roller 66 (see fig. 6) is the same as the number of the ring roller blades 67 on the second punching roller 66 (see fig. 6), and the sliding bushes 69 inside the second punching roller 66 (see fig. 6) are all fixedly connected to the inner wall of the second punching roller 66 (see fig. 6). A plugging rod 691 is slidably connected in the sliding sleeve 69, one end of the plugging rod 691 is fixedly connected with a gravity block 692, and the sectional area of the gravity block 692 is larger than that of the sliding sleeve 69. The ring-shaped roller blade 67 is annular, and a splicing groove penetrating through the first punching roller 62 or the second punching roller 66 (see fig. 6) is formed in the middle of the ring-shaped roller blade 67. When the ring roller blade 67 of the first punching roller 62 or the second punching roller 66 (see fig. 6) contacts the film, the gravity block 692 drives the insertion rod 691 to move downward by gravity until the gravity block 692 abuts against the sliding sleeve 69, and at this time, one end of the insertion rod 691 far from the gravity block 692 is inserted into the insertion groove, so that the film waste inside the ring roller blade 67 is ejected out of the ring roller blade 67.

Referring to fig. 8, the edge cutting device 7 and the material receiving device 8 are both located in a movable frame 9, the lower end of the movable frame 9 is connected with a plurality of movable wheels 91, and the movable wheels 91 can be universal wheels. The edge cutting device 7 comprises a tension roller 71 connected with the movable frame 9, and the tension roller 71 increases the tension borne by the film, so that the tightness of the film is improved. Be equipped with two sets of limiting plates 72 on the tensioning roller 71, limiting plate 72 plays limiting displacement, all is equipped with the puller bolt on limiting plate 72 and tensioning roller 71 sliding connection and every limiting plate 72, when needs fix a position limiting plate 72, operating personnel with puller bolt top tightly to tensioning roller 71 on, make the difficult emergence of limiting plate 72 remove. One side of tensioning roller 71 is equipped with can dismantle the bracing piece 73 of being connected with moving frame 9, and is concrete, fixedly connected with U-shaped piece 75 on the moving frame 9, and the both ends of bracing piece 73 are arranged in U-shaped piece 75, and operating personnel fixes bracing piece 73 through the nut, and when needs were dismantled bracing piece 73, the nut of unscrewing can.

Referring to fig. 8, two sets of cutting blades 74 are disposed on the supporting rod 73, the cutting blades 74 may be ring-shaped blades, the cutting blades 74 are slidably connected to the supporting rod 73, and an operator slides the position of the cutting blades 74 to adjust the distance between the two sets of cutting blades 74, thereby determining the position where both sides of the film are cut. The cutting blade 74 may be fastened to the support rod 73 by a bolt, or may be adhered to the support rod 73 by an adhesive tape.

Referring to fig. 8, a material receiving device 8 is arranged on one side of the supporting rod 73 far away from the tension roller 71, the material receiving device 8 comprises a first material receiving roller 81 and a second material receiving roller 82 which are rotatably connected with the moving rack 9, two ends of the first material receiving roller 81 and the second material receiving roller 82 are respectively located in a U-shaped groove 83 on the moving rack 9, one end of the first material receiving roller 81 is connected with a first material receiving motor 84, and one end of the second material receiving roller 82 is connected with a second material receiving motor 85. When the film is received, the two receiving rollers can work independently to respectively roll the two layers of films. When the length of the film wound on the first receiving roller 81 or the second receiving roller 82 reaches a specified winding length, for example, 300 meters or 500 meters, specifically, an operator can know the winding length of the film by a meter or by measuring the radius of the wound film, take the first receiving roller 81 or the second receiving roller 82 out of the U-shaped groove 83, and take the wound film roll out of the first receiving roller 81 or the second receiving roller 82.

The implementation principle of the embodiment is as follows: an operator inserts the three material suction pipes 12 into a container containing PE raw material particles or respectively inserts the three material suction pipes into bags containing the PE raw material particles. Starting the suction machine 11, the suction machine 11 conveys the PE raw material particles to the feed hopper 22 of the extruder body 21, the PE raw material particles are heated by the heating pipe 27 in the feed hopper 22, the dryness is improved, the weight is reduced, and simultaneously the PE raw material particles are pressed by the pressing block 26 without stop and enter the extruder body 21. The PE raw material particles are pushed by the extruder body 21 in a direction approaching the blow molding machine body 31, and in the process of movement, the PE raw material particles are heated to be in a molten state, and after entering the blow molding machine body 31, the PE raw material particles in the molten state become film tubes, and the film tubes are output from the upper end of the blow molding machine body 31, blown by the air flow blown by the blow molding machine body 31, move upward to be abutted against the herringbone plate 51, and are cooled by the cooling device 4 and rapidly cooled in the process of moving from the blow molding machine body 31 to the herringbone plate 51. The film tube is extruded into a double-layer film which is connected with each other after passing through the gap of the herringbone plate 51, the double-layer film enters between the main pressure roller 52 and the auxiliary pressure roller 53, and the double-layer film is extruded by the main pressure roller 52 and the auxiliary pressure roller 53 while being cooled by the main pressure roller 52 and the auxiliary pressure roller 53 to become a jointed double-layer film.

The double-layer film extruded by the main pressure roller 52 and the auxiliary pressure roller 53 moves into the punching device 6, holes are cut by the second punching roller 66 and the annular roller knife 67 on the first punching roller 62 in sequence, when the double-layer film is punched by the first punching roller 62 and the second punching roller 66, the film waste materials in the annular roller knife 67 are cleaned away from the annular roller knife 67 by the insertion rods 691 in the first punching roller 62 and the second punching roller 66, and the cutting force of the annular roller knife 67 is prevented from being reduced, so that the punching processing quality of the film is prevented from being influenced.

The double-layer film after passing through the punching device 6 enters the edge cutting device 7, an operator adjusts the limiting plate 72 according to the width of the double-layer film, the running direction of the double-layer film is not easy to change, and the position of the cutting knife 74 is adjusted. After the double-layer film enters the edge cutting device 7, both sides of the double-layer film are cut by the cutting knife 74, so that the connected double-layer film is changed into two independent PE films, and then an operator winds one PE film by using the first material receiving roller 81 and winds one PE film by using the second material receiving roller 82.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a high-efficient blowing production line of PE membrane, includes extrusion device (2), blowing device (3) and material collecting device (8), its characterized in that: the feeding end of the extruding device (2) is connected with a material sucking device (1), the discharging end of the extruding device (2) is connected with a blow molding device (3), the discharging end of the blow molding device (3) is provided with a cooling device (4), the upper end of the cooling device (4) is provided with an extruding device (5), one side of the cooling device (4) is provided with a punching device (6), the discharging end of the punching device (6) is provided with an edge cutting device (7), the discharging end of the edge cutting device (7) is provided with a material receiving device (8), and the blow molding device (3) comprises a blow molding machine body (31);

the punching device (6) comprises a punching machine frame (61), a first punching roller (62) and a second punching roller (66) are connected to the punching machine frame (61) in a rotating mode, a driving chain (64) is connected to a roller shaft of the first punching roller (62), a punching driver (63) is connected to the driving chain (64), a transmission chain (65) is connected between the roller shaft of the first punching roller (62) and the roller shaft of the second punching roller (66), a plurality of annular roller cutters (67) are arranged on the surfaces of the first punching roller (62) and the second punching roller (66), and a guide roller (68) which is connected with the punching machine frame (61) in a rotating mode is arranged between the first punching roller (62) and the second punching roller (66);

all be equipped with a plurality of sliding sleeve (69) in the roller of first perforating roller (62) and second perforating roller (66), sliding connection has peg graft pole (691) in sliding sleeve (69), the one end of peg graft pole (691) is connected with gravity piece (692), be equipped with the inserting groove in the middle of ring roller sword (67), the one end and the inserting groove sliding connection of peg graft pole (691) keeping away from gravity piece (692).

2. The PE film high efficiency blow molding production line according to claim 1, characterized in that: the material suction device (1) comprises a material suction machine (11), and a material suction end of the material suction machine (11) is connected with a plurality of material suction pipes (12).

3. The PE film high efficiency blow molding production line according to claim 1, characterized in that: extrusion device (2) are including extruder body (21), be connected with feeder hopper (22) on extruder body (21), be equipped with press device (23) in feeder hopper (22), press device (23) are including pressing piece (26) that are located feeder hopper (22), the upper end of pressing piece (26) is connected with transfer line (25), one end and one that press piece (26) were kept away from in transfer line (25) are extruded cylinder (24) and are connected.

4. The PE film high efficiency blow molding production line according to claim 3, characterized in that: a heating pipe (27) is coiled in the feed hopper (22).

5. The PE film high efficiency blow molding production line according to claim 1, characterized in that: cooling device (4) are including being located support (41) of blowing device (3) discharge end periphery side, the film pipe that blowing device (3) discharge end formed passes from the center of support (41), support (41) divide into a plurality of layers, every layer all be equipped with cooling air-out pipe (43) that are used for cooling the film pipe on support (41), cooling air-out pipe (43) are connected with cooling blower (42).

6. The PE film high-efficiency blow molding production line according to claim 5, characterized in that: the cooling air outlet pipes (43) are all obliquely arranged.

7. The PE film high-efficiency blow molding production line according to claim 5, characterized in that: the extruding device (5) comprises a herringbone plate (51) positioned at the upper end of the support (41), a main pressing roller (52) and an auxiliary pressing roller (53) which are connected with the support (41) are arranged at the upper end of the herringbone plate (51), the main pressing roller (52) and the auxiliary pressing roller (53) are cooling rollers, and two spiral convex ribs (54) which extend from the middle of the main pressing roller (52) to two ends and have opposite rotating directions are arranged on the peripheral surface of the main pressing roller (52).

8. The PE film high efficiency blow molding production line according to claim 1, characterized in that: a movable rack (9) is arranged below the punching rack (61), the edge cutting device (7) and the material receiving device (8) are both positioned in the movable rack (9), and a plurality of movable wheels (91) are arranged at the lower end of the movable rack (9);

the trimming device (7) comprises a tension roller (71) connected with a movable rack (9), two groups of limiting plates (72) are connected onto the tension roller (71) in a sliding mode, a supporting rod (73) detachably connected with the movable rack (9) is arranged above one side of the tension roller (71), and two groups of cutting knives (74) are connected onto the supporting rod (73) in a sliding mode;

material collecting device (8) include with moving frame (9) rotate first receipts material roller (81) and second receipts material roller (82) of being connected, the both ends that first receipts material roller (81) and second were received material roller (82) are located a U-shaped groove (83) respectively, first receipts material roller (81) are connected with first receipts material motor (84), second is received material roller (82) and is connected with second and receives material motor (85).